THE GENERA OF MOSSES. 
67 
32. Structure of the operculum of the same; 
33. Theca of the same divided, to shew the retracted 
and small columella at the bottom. 
34. A perichsetial leaf, and, 
35. A cauline leaf of the same species. 
36. Sporules do. 
37. Theca and perichsetial leaf of Anict repens ; 
copied from Hooeee. 
38. Cauline leaves of Anict torquatum. 
46. Structure of the leaf in Anict. ciliatum. 
All the figures more or less magnified. 
Gen. VIlI. Hedwigia. 
Fruct. Calyptra diraidiata, thecae subaequaHs, Scariossi 
(ut in fere omnibus muscis), straminea. Seta lateralis, tres 
ad octodecim lineas longa, plerumque caules longe super- 
antes, rigida, stricta vel rarius tortilis, fusca, ad summita- 
tem saepius incrassata. Apophysis nulla. Theca integra^ 
laevissima (in una tantum specie siccatione sulcata) vel 
globosa, vel subcylindracea, fuscescens, ore nudo, in qui- 
busdam amplo, in aliis contracto, in omnibus ? crassiusculo, 
rubescenti. Operculum deciduum, integrum, subulatum 
vel rostratum, thecse concolor. Peristomium nullum. Ccilu.- 
mella filiformis Sporul(E (in H> aquatica) sphasricae, tri- 
partito-reticulatae, pellucidae. 
* In una specie subulata, stricta, ad operculi apicera porrectens, siccitate 
sulcata ; in caeteris plane nobis ignota, 
E 2 
